import '@wangeditor/editor/dist/css/style.css' // 引入 css

import React, { useState, useEffect } from 'react'
import { Editor, Toolbar } from '@wangeditor/editor-for-react'

// import { IDomEditor, IEditorConfig, IToolbarConfig } from '@wangeditor/editor'

function MyEditor(props) {
  const { onChange } = props
  // editor 实例
  const [editor, setEditor] = useState(null)   // TS 语法
  // const [editor, setEditor] = useState(null)                   // JS 语法

  // 编辑器内容
  const [html, setHtml] = useState('')

  // 模拟 ajax 请求，异步设置 html
  // useEffect(() => {
  //   setTimeout(() => {
  //     setHtml('<p>hello world</p>')
  //   }, 1500)
  // }, [])

  const handleChange = (editor) => {
    setHtml(editor.getHtml())
    onChange && onChange(editor.getHtml())
  }

  // 工具栏配置
  const toolbarConfig = {}  // TS 语法
  // const toolbarConfig = { }                        // JS 语法

  // 编辑器配置
  const editorConfig = {    // TS 语法
    // const editorConfig = {                         // JS 语法
    placeholder: '请输入内容...'
  }

  // 及时销毁 editor ，重要！
  useEffect(() => {
    return () => {
      if (editor == null) return
      editor.destroy()
      setEditor(null)
    }
  }, [editor])

  return (
    <>
      <div style={{ border: '1px solid #ccc', zIndex: 100 }}>
        <Toolbar
          editor={editor}
          defaultConfig={toolbarConfig}
          mode="default"
          style={{ borderBottom: '1px solid #ccc' }}
        />
        <Editor
          defaultConfig={editorConfig}
          value={html}
          onCreated={setEditor}
          onChange={handleChange}
          mode="default"
          style={{ height: '500px', overflowY: 'hidden' }}
        />
      </div>
      {/*<div style={{ marginTop: '15px' }}>*/}
      {/*  {html}*/}
      {/*</div>*/}
    </>
  )
}

export default MyEditor
